Ineed an equation from this question so i can graph and solve by substitution and elimination. the question the following, stefan's school is selling tickets to annual dance competition. on the first day of tickets sales the school sold 16 adult tickets and 3 child tickets for a total of $251. the school took in $148 on the second day by selling 8 adult tickets and 4 child tickets. find the price of an adult ticket and the price of child ticket.

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?